Datasheet

LTC2444/LTC2445/
LTC2448/LTC2449
14
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Table 5. LTC2444/LTC2445/LTC2448/LTC2449 Speed/Resolution Selection
CONVERSION RATE RMS RMS
OSR3 OSR2 OSR1 OSR0 TWOX INTERNAL EXTERNAL NOISE NOISE ENOB ENOB OSR LATENCY
9MHz 10.24MHz LTC2444/ LTC2445/ LTC2444/ LTC2445/
Clock Clock LTC2448 LTC2449 LTC2448 LTC2449
00000 Keep Previous Speed/Resolution
000103.52kHz 4kHz 23µV23µV 17 17 64 none
001001.76kHz 2kHz 4.4µV 3.5µV 20.1 20.1 128 none
00110880Hz 1kHz 2.8µV2µV 20.8 21.3 256 none
01000440Hz 500Hz 2µV 1.4µV 21.3 21.8 512 none
01010220Hz 250Hz 1.4µV1µV 21.8 22.4 1024 none
01100110Hz 125Hz 1.1µV 750nV 22.1 22.9 2048 none
0111055Hz 62.5Hz 720nV 510nV 22.7 23.4 4096 none
1000027.5Hz 31.25Hz 530nV 375nV 23.2 24 8192 none
1001013.75Hz 15.625Hz 350nV 250nV 23.8 24.4 16384 none
111106.875Hz 7.8125Hz 280nV 200nV 24.1 24.6 32768 none
00001 Keep Previous Speed/Resolution
000117.04kHz 8kHz 23µV23µV 17 17 64 1 cycle
001013.52kHz 4kHz 4.4µV 3.5µV 20.1 20.1 128 1 cycle
001111.76kHz 2kHz 2.8µV2µV 20.8 21.3 256 1 cycle
01001880Hz 1kHz 2µV 1.4µV 21.3 21.8 512 1 cycle
01011440Hz 500Hz 1.4µV1µV 21.8 22.4 1024 1 cycle
01101220Hz 250Hz 1.1µV 750nV 22.1 22.9 2048 1 cycle
01111110Hz 125Hz 720nV 510nV 22.7 23.4 4096 1 cycle
1000155Hz 62.5Hz 530nV 375nV 23.2 24 8192 1 cycle
1001127.5Hz 31.25Hz 350nV 250nV 23.8 24.4 16384 1 cycle
1111113.75Hz 15.625Hz 280nV 200nV 24.1 24.6 32768 1 cycle
APPLICATIO S I FOR ATIO
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